Retired “Tonight Show” host Jay Leno popping into the Sweet Kiwi Frozen Yogurt Shop in Wakefield for a treat and posing for pics with fans who recognized him and his denim shirt … Mark Wahlberg chatting up Bill Belichick on the field before yesterday’s Pats­-Raiders tilt, then leaving his host, Bob Kraft, hanging up in the owners’ box when the boss was looking for a high­ five after the Gronkowski TD … Marky Mark dining with pals at Strega Waterfront … Olympic figure skater Johnny Weir doing Empire with PR gal Rina Peselman, Shag sultan Sandy Poirier and some pals and rels including cousins Jackie Voronov, a Boston attorney, and Arthur Voronov … Celtics Kelly Olynyk and Phil Pressey; Denver Nugget Danilo Gallinari; Atlanta Hawks assistant head coach Kenny Atkinson; ESPN’s Jackie MacMullan; NBA Africa head Amadou Fall; Bentley University women’s coach Barbara Stevens; Oklahoma Thunder veep Sam Presti; and more at Reebok HQ in Canton celebrating at the annual gala for Shooting Touch, a non­profit hoops program for underprivileged kids headquartered in Boston and Rwanda … Gadabout David Chick celebrating his gig as the official artist for the Tennessee Williams Festival in Provincetown … Peter Del Vecho, the Academy Award-­winning producer of “Frozen,” and a BU alum, chatting about how he and the creative team at Walt Disney Animation Studios transformed Hans Christian Andersen’s fairy tale, “The Snow Queen,” into a box office sensation at the BU Photonics Center …